Music bell circuit with UM66

This is a very useful circuit because we can use this circuit to generate different music sounds by using UM66 .This circuit operates with 3V power supply.We have given you UM66 circuit diagrams before.In this circuit we have used different parts.Because we got to know some electronic parts are not available in some counties

Note

 # Don't supply over 3V 
 # Build this circuit on a PCB